Radiation detectors

▶ 검출기 : ZnS(Ag) adhered to 0.25 (0.010 in.) thick plastic scintillation material

▶ 효율 (4π) : 25% of 239Pu; 20% of 90Sr/90Y; 5% of 14C

▶ 광전자증배관 : 3.8 cm (1.5 in.) diameter

▶ 동작 전압 : typically 500–1200 volts

▶ 윈도우 : 1.2 mg/cm²

▶ 윈도우 면적 : 9.7 cm² (1.5 in²) active and open

▶ 백그라운드 :  alpha: 3 cpm or less
                          beta: typically 50 cpm or less

▶ NON-UNIFORMITY: less than 10%

▶ CROSS TALK:

    alpha to beta: less than 10%
    beta to alpha: less than 1%

▶ 커넥터 :  series “C” (others available)

▶ 온도범위 : -20 to 50 °C (-4 to 122 °F)

▶ 크기 : 5.1 X 18.5 cm (2 x 7.3 in.) (Dia x L)

▶ 무게 : 0.5 kg (1 lb)